Ubuntu – Just format HDD in ext4, cannot create any folder

16.04ext4filesystemhard drivepermissions

I have secondary internal HDD, to larger files and download (OS is in SSD).
I just formatted it with ext4 filesystem.
Now I cannot create any folder, nor set any application working to it (trasmission, jd2, etc.).
My OS is Ubuntu 16.04 LTS.
Few months ago I tried another time, but then I formatted it in NTFS.
In terminal I do lsblk:

NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda      8:0    0 931,5G  0 disk 
└─sda1   8:1    0 931,5G  0 part /media/sassari74/eaae11b1-a939-4674-a5a7-6e0357
sdb      8:16   0 223,6G  0 disk 
├─sdb1   8:17   0   353M  0 part 
├─sdb2   8:18   0   124G  0 part 
├─sdb5   8:21   0  91,6G  0 part /
└─sdb6   8:22   0   7,7G  0 part [SWAP]
sr0     11:0    1  1024M  0 rom

Best Answer

It looks like the partition you're talking of is /dev/sda1, and it is mounted at /media/sassari74/eaae11b1-a939-4674-a5a7-6e0357, so do:

sudo chown $USER /media/sassari74/eaae11b1-a939-4674-a5a7-6e0357 -R

This should set the ownership to you and you should then be able to create and modify files in it.

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Ubuntu – Give more Hard disk space to Ubuntu

Before you start the process below, I suggest you backup your user files to an external hard disk, a USB flash drive, or a cloud storage service like Dropbox.

Assuming you have your Ubuntu partition beside the Windows 10 NTFS partition, like in this picture , you first have to boot into Windows 10, and shrink the main Windows partition from there.

There are instructions on how to do that all over the internet, one here. You will see the new space as a black box in Disk Management marked as Unallocated Space.

Now boot into Ubuntu from a live USB, assuming you have one from which you installed your Ubuntu. If not, create one (again?) via pendrivelinux.com and use your existing Ubuntu disk image or download a new one.

You should have GParted installed on your live USB, if not you can get it in the Ubuntu Software Center, Synaptic Package Manager, or by running sudo apt-get install gparted from a terminal window.

Run GParted, find your hard disk Ubuntu main partition, and expand it. If you don't know how, you can find instructions on it here.

Hope that helps, if not just leave a comment.

Ubuntu – Ubuntu show wrong disk sizes, how to solve it

It looks like that you have made raid1 (mirror) between partitions on your SSD and HDD. This is not best practice, since it more or less restricts performance to that of the slowest disk.

You can see that /boot, / and [ SWAP ] is defined on partitions on both /dev/sda and /dev/sdb.

sdb       8:16   1 238.4G  0 disk
├─sdb2    8:18   1   512M  0 part
│ └─md1   9:1    0 511.4M  0 raid1 /boot
├─sdb3    8:19   1 229.9G  0 part
│ └─md2   9:2    0 229.8G  0 raid1 /
└─sdb1    8:17   1     8G  0 part
  └─md0   9:0    0     8G  0 raid1 [SWAP]
sda       8:0    1   2.7T  0 disk
├─sda2    8:2    1   512M  0 part
│ └─md1   9:1    0 511.4M  0 raid1 /boot
├─sda3    8:3    1 229.9G  0 part
│ └─md2   9:2    0 229.8G  0 raid1 /
└─sda1    8:1    1     8G  0 part
  └─md0   9:0    0     8G  0 raid1 [SWAP]

I would recommend that you reinstall Ubuntu using only SSD for /boot, / and SWAP. If yopu really want a raid1/mirror setup, you should buy one more 240 GB SSD, so you mirror between similar type and size disks.

Anyway .. if you take a look at your disks with gparted (or fdisk -l) you should see a huge unallocated amount of data on /dev/sda.

Best Answer

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